136
Reference Manual
00809-0300-4750, Rev CA
Advanced Diagnostics Configuration
March 2016
Advanced Diagnostics Configuration
6.14
Optimizing the SMART Meter Verification
The
SMART Meter Verification
diagnostic can be optimized by setting the test criteria to the
desired levels necessary to meet the compliance requirements of the application. The
following examples below will provide some guidance on how to set these levels.
Example
An effluent meter must be certified annually to comply with environmental regulations.
This example regulation requires that the meter be certified to five percent.
Since this is an effluent meter, shutting down the process may not be viable. In this instance
the
SMART Meter Verification
test will be performed under flowing conditions. Set the
test
criteria
for
flowing, full
to five percent to meet the requirements of the governmental
agencies.
Example
A pharmaceutical company requires bi-annual verification of meter calibration on a critical
feed line for one of their products. This is an internal standard, and the plant requires a
calibration record be kept on-hand. Meter calibration on this process must meet two
percent. The process is a batch process so it is possible to perform the calibration
verification with the line full and with no flow.
Since the
SMART Meter Verification
test can be run under no flow conditions, set the
test
criteria
for
no flow
to two percent to comply with the necessary plant standards.
Example
A food and beverage company requires an annual calibration of a meter on a product line.
The plant standard calls for the accuracy to be three percent or better. They manufacture
this product in batches, and the measurement cannot be interrupted when a batch is in
process. When the batch is complete, the line goes empty.
Since there is no means of performing the
SMART Meter Verification
test while there is
product in the line, the test must be performed under empty pipe conditions. The
test
criteria
for
empty pipe
should be set to three percent, and it should be noted that the
electrode circuit health cannot be verified.
6.14.1
Optimizing continuous SMART Meter Verification
Example
For
continuous
SMART Meter Verification
, there is only one test criteria value to configure, and
it will be used for all flow conditions. The factory default is set to five percent to minimize
the potential for false failures under empty pipe conditions. For best results, set the criteria
to match the maximum value of the three test criteria set during manual meter verification
(
no flow, flowing full, and empty pipe
).
For example, a plant might set the following manual meter verification test criteria: two
percent for
no flow
, three percent for
flowing full
, and four percent for
empty pipe
. In this
case, the maximum test criterion is four percent, so the test criteria for
continuous
SMART
Meter Verification
should be set to four percent. If the tolerance band is set too tightly, under
empty pipe conditions or noisy flowing conditions, a false failure of the transmitter test may
occur.
Содержание Rosemount 8750W
Страница 2: ......
Страница 96: ...84 Reference Manual 00809 0300 4750 Rev CA Operation March 2016 Operation ...
Страница 158: ...146 Reference Manual 00809 0300 4750 Rev CA Digital Signal Processing March 2016 Digital Signal Processing ...
Страница 168: ...156 Reference Manual 00809 0300 4750 Rev CA Maintenance March 2016 Maintenance ...
Страница 208: ...Product Certifications March 2016 Reference Manual 00809 0300 4750 Rev CA 196 Product Certifications ...
Страница 209: ...197 Product Certifications Product Certifications March 2016 Reference Manual 00809 0300 4750 Rev CA ...
Страница 212: ...Product Certifications March 2016 Reference Manual 00809 0300 4750 Rev CA 200 Product Certifications ...
Страница 214: ...Wiring Diagrams March 2016 Reference Manual 00809 0300 4750 Rev CA 202 Wiring Diagrams ...
Страница 218: ...Wiring Diagrams March 2016 Reference Manual 00809 0300 4750 Rev CA 206 Wiring Diagrams ...
Страница 219: ...Wiring Diagrams March 2016 Reference Manual 00809 0300 4750 Rev CA 207 Wiring Diagrams ...
Страница 220: ...Wiring Diagrams March 2016 Reference Manual 00809 0300 4750 Rev CA 208 Wiring Diagrams ...
Страница 222: ...Wiring Diagrams March 2016 Reference Manual 00809 0300 4750 Rev CA 210 Wiring Diagrams ...
Страница 223: ...Wiring Diagrams March 2016 Reference Manual 00809 0300 4750 Rev CA 211 Wiring Diagrams ...
Страница 224: ...Wiring Diagrams March 2016 Reference Manual 00809 0300 4750 Rev CA 212 Wiring Diagrams ...
Страница 225: ...Wiring Diagrams March 2016 Reference Manual 00809 0300 4750 Rev CA 213 Wiring Diagrams ...
Страница 227: ...Wiring Diagrams March 2016 Reference Manual 00809 0300 4750 Rev CA 215 Wiring Diagrams ...
Страница 228: ...Wiring Diagrams March 2016 Reference Manual 00809 0300 4750 Rev CA 216 Wiring Diagrams ...
Страница 229: ...Wiring Diagrams March 2016 Reference Manual 00809 0300 4750 Rev CA 217 Wiring Diagrams ...
Страница 263: ......